Sion Eirug

Siôn is an exciting emerging screenwriter from Wales who currently lives nomadically across the world and writes wonderfully wild and original genre bending TV & film, in English and Welsh. Taking endless inspiration from the people, cultures and places he encounters, his stories often explore belonging and feature unforgettable characters that inhabit rich and vivid worlds. 

He’s written 2 episodes of the upcoming YA thriller series HAFIACH (Vox Pictures/ S4C), had a cli-fi short film MIRAIN A’R MÔR (It’sMyShout/ BBCWales) broadcasted on BBC2, iPlayer & S4C and received BBC Network development funding for his original sci-fi/ thriller series HIRAETH. Currently in development, Siôn has the wild west inspired crime/ dramedy THE SHERIFF OF BARRY (Triongl), the supernatural thriller ACADEMI (Mojo Productions) and is in discussions regarding several other projects.

Siôn is a BAFTA Connect member.


‘HAFIACH’ (2024) – 2 x 30’ mins Episodes

BROADCASTED ON: S4C (in production)

PRODUCED BY: Vox Pictures/ S4C


‘MIRAIN A’R MÔR(2016) – 15 mins Short Film

BROADCASTED ON: S4C, BBC 2 Wales & iPlayer

PRODUCED BY: BBC Wales/ It’s My Shout


Film, Television